They were the capitalists.

But what if they should refuse?
In order to secure the success of the measure, it was considered wise to obtain their consent in advance.
When King John asked permission of the States-General to tax them, a critical line was passed.

That body for the first time realized its power.

It might make its own terms.

It demanded that the moneys collected, and their expenditure, should be under the direction of its officers.